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Merck
CN

60109

碳酸钾

puriss. p.a., ACS reagent, anhydrous, ≥99.0% (T)

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关于此项目

线性分子式:
K2CO3
化学文摘社编号:
分子量:
138.21
UNSPSC Code:
12352302
NACRES:
NB.24
PubChem Substance ID:
EC Number:
209-529-3
Beilstein/REAXYS Number:
4267587
MDL number:
Assay:
≥99.0% (T)
Form:
powder or crystals
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Quality Level

grade

ACS reagent, puriss. p.a.

assay

≥99.0% (T)

form

powder or crystals

impurities

≤0.001% total nitrogen (N), ≤0.004% total sulfur (as SO4)

loss

≤1% loss on drying, 300 °C

pH

11-13 (25 °C, 138 g/L)

mp

891 °C (lit.)

anion traces

chloride (Cl-): ≤30 mg/kg, phosphate (PO43-): ≤10 mg/kg, silicate (as SiO2): ≤50 mg/kg

cation traces

Ag: ≤5 mg/kg, Al: ≤5 mg/kg, As: ≤0.5 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤200 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Tl: ≤5 mg/kg, Zn: ≤5 mg/kg, heavy metals: ≤5 ppm (by ICP-OES)

SMILES string

[K+].[K+].[O-]C([O-])=O

InChI

1S/CH2O3.2K/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2

InChI key

BWHMMNNQKKPAPP-UHFFFAOYSA-L

General description

Potassium carbonate is an inorganic base. It participates as a base in the palladacycle catalyzed Heck reaction of chlorobenzene with styrene.

Application


  • Improved 2-pyridyl reductive homocoupling reaction using biorenewable solvent Cyrene (dihydrolevoglucosenone).: This study leverages potassium carbonate to enhance the homocoupling reaction of 2-pyridyl groups, showcasing its application in green chemistry for sustainable synthesis practices (Webb et al., 2023).

  • Synthesis, Characterization and Biological Evaluation of Magnolol and Honokiol Derivatives with 1,3,5-Triazine of Metformin Cyclization.: Potassium carbonate is used as a base in the synthesis of novel triazine derivatives, demonstrating its role in the development of biologically active compounds in pharmaceutical research (Ren et al., 2020).

  • Synthesis of (18) F-radiolabeled organophosphine fluorides for thiol-chemoselective peptide conjugation.: This article highlights the use of potassium carbonate in the preparation of radiolabeled compounds, essential for advancements in peptide conjugation and imaging techniques in molecular biology (Zhuang et al., 2020).

  • Molten-salt treatment of waste biomass for preparation of carbon with enhanced capacitive properties and electrocatalytic activity towards oxygen reduction.: Potassium carbonate is employed in molten-salt treatments to convert biomass into high-performance carbon materials, illustrating its importance in energy storage and environmental applications (Lu et al., 2016).

Other Notes

Reagent for the decomposition of silicates by fusioncitationcitation


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pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

存储类别

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable



历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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R. Bock
Aufschlussmethoden der anorg. & org. Chemie (1972)
Z. Sulcek et al.
Methods of Decomposition in Inorganic Analysis (1989)
Chelating N-heterocyclic carbene ligands in palladium-catalyzed Heck-type reactions.
Herrmann WA, et al.
Journal of Organometallic Chemistry, 557(1), 93-96 (1998)



全球贸易项目编号

货号GTIN
375071-10G04061831829594
60109-1KG-F04061832656045
60109-500G-F04061832659381
60109-250G-F04061832656175